Five Programs You Can Afford in a Financial Meltdown

"One, it's proprietary, and, two; there's nothing
SharePoint can do that Alfresco can't do. I mean that quite
literally. When Microsoft was forced by the European Union to cough
up its proprietary network protocols, it had to open up the
SharePoint Protocol. So Alfresco starting adding support for the
SharePoint Protocol so soon any application that can use SharePoint
can also use Alfresco."